diff options
| author | Christoph Hellwig <hch@lst.de> | 2026-01-08 15:19:06 +0100 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2026-01-12 14:01:33 +0100 |
| commit | 188344c8ac0b740ee2e5deebda2004b39ccbee74 (patch) | |
| tree | ed8d57869674970495178366b127c598ec76aa84 /fs/fs-writeback.c | |
| parent | 761475268fa8e322fe6b80bcf557dc65517df71e (diff) | |
fs: factor out a sync_lazytime helper
Centralize how we synchronize a lazytime update into the actual on-disk
timestamp into a single helper.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://patch.msgid.link/20260108141934.2052404-7-hch@lst.de
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/fs-writeback.c')
| -rw-r--r-- | fs/fs-writeback.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 6800886c4d10..3d68b757136c 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -1711,6 +1711,16 @@ static void requeue_inode(struct inode *inode, struct bdi_writeback *wb, } } +bool sync_lazytime(struct inode *inode) +{ + if (!(inode_state_read_once(inode) & I_DIRTY_TIME)) + return false; + + trace_writeback_lazytime(inode); + mark_inode_dirty_sync(inode); + return true; +} + /* * Write out an inode and its dirty pages (or some of its dirty pages, depending * on @wbc->nr_to_write), and clear the relevant dirty flags from i_state. @@ -1750,17 +1760,15 @@ __writeback_single_inode(struct inode *inode, struct writeback_control *wbc) } /* - * If the inode has dirty timestamps and we need to write them, call - * mark_inode_dirty_sync() to notify the filesystem about it and to - * change I_DIRTY_TIME into I_DIRTY_SYNC. + * For data integrity writeback, or when the dirty interval expired, + * ask the file system to propagata lazy timestamp updates into real + * dirty state. */ if ((inode_state_read_once(inode) & I_DIRTY_TIME) && (wbc->sync_mode == WB_SYNC_ALL || time_after(jiffies, inode->dirtied_time_when + - dirtytime_expire_interval * HZ))) { - trace_writeback_lazytime(inode); - mark_inode_dirty_sync(inode); - } + dirtytime_expire_interval * HZ))) + sync_lazytime(inode); /* * Get and clear the dirty flags from i_state. This needs to be done |